Part C-Lights and Shapes

95. R04119 BOTH INTERNATIONAL & INLAND A lantern combining a vessel's navigation lights may be shown on a A. 15-meter sailing vessel B. 20-meter vessel engaged in fishing and making way C. 25-meter power-driven vessel trolling D. 25-meter pilot vessel

A. 15-meter sailing vessel Rule 25(b) In sailing vessel less than 20 METERS, the lights may be combined in an lantern

84. R04333 BOTH INTERNATIONAL & INLAND The arc of visibility for sidelights is from right ahead to . A. 22.5° abaft the beam B. abeam C. 22.5°Forward of the beam D. 135° abaft the beam

A. 22.5° abaft the beam

19. R04437 BOTH INTERNATIONAL & INLAND What is the minimum length of an anchored vessel which is required to show a white light both forward and aft? A. 50 meters B. 100 meters C. 150 meters D. 200 meters

A. 50 meters

128. R04129 BOTH INTERNATIONAL & INLAND Which vessel MUST show two masthead lights in a vertical line? A. A power-driven vessel less than 50 meters in length with a 20-meter tow B. A sailing vessel towing a small vessel astern C. A vessel not under command D. A vessel engaged in dredging

A. A power-driven vessel less than 50 meters in length with a 20-meter tow

18) BOTH INTERNATIONAL AND INLAND. If you anchor your 25-meter vessel in a harbor, what light(s) must you show? A. One all-round white light B. Two all-round white lights C. One all-round red light D. All the deck house lights

A. One all-round white light

177. R00259 BOTH INTERNATIONAL & INLAND Barges being towed at night must exhibit navigation lights . A. at all times B. only if manned C. only if towed astern D. Need not be lighted

A. at all times WTF are navigation lights- just red and green or does it include stern and masthead???

15. R04402 BOTH INTERNATIONAL & INLAND A vessel at anchor will show a . A. ball B. cone C. cylinder D. double cone, apexes together

A. ball

73. R04529 Part C BOTH INTERNATIONAL & INLAND A vessel may exhibit lights other than those prescribed by the Rules as long as the additional lights . A. do not interfere with the keeping of a proper look-out B. are not the color of either sidelight C. have a lesser range than the prescribed lights D. All of the above

A. do not interfere with the keeping of a proper look-out Rule 20(b):The Rules concerning lights shall be complied with from sunset to sunrise, and during such times, no other lights shall be exhibited, except such lights as cannot be mistaken for the lights specified in these Rules or do not impair their visibility or distinctive character, or interfere with the keeping of a proper lookout. -Doesn't say anything about lights being the same color

139. R04376 BOTH INTERNATIONAL & INLAND A power-driven vessel "not under command" at night must show her sidelights when . A. making headway B. making no headway C. moored to a buoy D. at anchor

A. making headway

213. R04611 BOTH INTERNATIONAL & INLAND A vessel, which does not normally engage in towing operations, is towing a vessel in distress. She . A. need not show the lights for a vessel engaged in towing, if it is impractical to do so B. may show the lights for a vessel not under command C. must show a yellow light above the sternlight D. must show the lights for a vessel towing

A. need not show the lights for a vessel engaged in towing, if it is impractical to do so

25. R04183 BOTH INTERNATIONAL & INLAND When anchoring a 25-meter vessel at night, you must show . A. one all-round white light B. two all-round white lights C. one all-round white light and the sidelights D. the sidelights and a sternlight

A. one all-round white light

167. R04225 BOTH INTERNATIONAL & INLAND A single towing light will be carried above a vessel's sternlight A. only if she is towing astern B. only if the tow exceeds 200 meters C. at any time when towing D. if the towing vessel is part of a composite unit

A. only if she is towing astern COLREGS 24(a)(3)(4)

19) BOTH INTERNATIONAL AND INLAND. Working lights shall be used to illuminate the decks of a vessel __________. A. over 100 meters at anchor B. not under command C. constrained by her draft D. any of the above

A. over 100 meters at anchor

147. R04659 BOTH INTERNATIONAL & INLAND A vessel servicing a pipeline during the day shall display . A. three black shapes in a vertical line; the highest and lowest are balls, and the middle one is a diamond B. three shapes in a vertical line; the highest and lowest are red balls, and the middle one is a white diamond C. three black balls in a vertical line D. two black balls in a vertical line

A. three black shapes in a vertical line; the highest and lowest are balls, and the middle one is a diamond vessel is RAM

14) BOTH INTERNATIONAL AND INLAND. A vessel restricted in her ability to maneuver shall __________. A. turn off her sidelights when not making way B. when operating in restricted visibility, sound a whistle signal of two prolonged and one short blasts C. show a day-shape of two diamonds in a vertical line D. keep out of the way of a vessel engaged in fishing

A. turn off her sidelights when not making way

150. R04464 BOTH INTERNATIONAL & INLAND A vessel not under command, underway but not making way, would show A. two all-round red lights in a vertical line B. sidelights C. a sternlight D. All of the above

A. two all-round red lights in a vertical line COLREGS 27(a)(1) NUC shows ID lights + sidelights & stern lights when MAKING WAY

153. R04597 BOTH INTERNATIONAL & INLAND A vessel not under command shall display . A. two red lights at night and two black balls during daylight B. two red lights at night and three black balls during daylight C. three red lights at night and two black balls during daylight D. three red lights at night and three black balls during daylight

A. two red lights at night and two black balls during daylight

42. R04142 BOTH INTERNATIONAL & INLAND A vessel engaged in fishing must display a light in the direction of any gear that extends outward more than 150 meters. The color of this light is . A. white B. green C. red D. yellow

A. white

211. R00054 INLAND ONLY A barge more than 50 meters long would be required to show how many white anchor lights when anchored in a Secretary of Transportation approved "special anchorage area"? A. 1 B. 2 C. 3 D. 4

B. 2

133. R04623 BOTH INTERNATIONAL & INLAND A towing vessel 35 meters in length, with a tow 100 meters astern, must show a minimum of how many masthead lights? A. 1 B. 2 C. 3 D. 4

B. 2 Reference: Rule 24(a)(i) While towing (tow -200m) 2 masthead lights in line

104. R04260 BOTH INTERNATIONAL & INLAND The minimum length of a power-driven vessel that must show forward and after masthead lights is . A. 30 meters B. 50 meters C. 75 meters D. 100 meters

B. 50 meters

119. R04517 BOTH INTERNATIONAL & INLAND Which vessel must exhibit forward and after masthead lights when underway? A. A 200-meter sailing vessel B. A 50-meter power-driven vessel C. A 100-meter vessel engaged in fishing D. All of the above

B. A 50-meter power-driven vessel

12) BOTH INTERNATIONAL AND INLAND. What type of vessel or operation is indicated by a vessel displaying two cones with the apexes together? A. Sailing B. Fishing C. Minesweeping D. Dredging

B. Fishing

173. R04150 BOTH INTERNATIONAL & INLAND A towing vessel 30 meters in length is pushing barges ahead. How many white masthead lights is the vessel REQUIRED to show at night? A. One B. Two C. Three D. Four

B. Two COLREGS 24(b)

144. R04106 Part C BOTH INTERNATIONAL & INLAND What type of vessel or operation is indicated by a vessel showing two cones with the apexes together? A. Sailing vessel B. Vessel trawling C. Mineclearing D. Dredge

B. Vessel trawling

12. R08019 INTERNATIONAL ONLY If a vessel displays three all-round red lights in a vertical line at night, during the day she may show . A. three balls in a vertical line B. a cylinder C. two diamonds in a vertical line D. two cones, apexes together

B. a cylinder COLREGS 28

156. R04042 BOTH INTERNATIONAL & INLAND A towing vessel pushing a barge ahead and rigidly connected in a composite unit shall show the lights of . A. a vessel towing by pushing ahead B. a power-driven vessel, not towing C. a barge being pushed ahead D. either answer A or answer B

B. a power-driven vessel, not towing

171. R04152 BOTH INTERNATIONAL & INLAND A power-driven vessel with a 150-meter stern tow shall display A. three masthead lights in a vertical line B. a towing light above the sternlight C. two towing lights in a vertical line D. a red light over a white light at the masthead

B. a towing light above the sternlight

39. R04050 BOTH INTERNATIONAL & INLAND A 22-meter sailing vessel when also being propelled by machinery shall show during daylight hours a . A. black diamond B. black cone C. black ball D. basket

B. black cone (apex downward)

5) BOTH INTERNATIONAL AND INLAND. A towing light __________. A. flashes at regular intervals of 50-70 flashes per minute B. is yellow in color C. shows an unbroken light over an arc of the horizon of not less than 180° nor more than 225° D. All of the above

B. is yellow in color Reference Rule 21(d) (has same characteristics as a stern light; has arc of horizon of 135.0° and 67.5° from each side of the vessel)

183. R04346 Part C BOTH INTERNATIONAL & INLAND A vessel being towed at night must show . A. a white all-round light B. sidelights and a sternlight C. a flashing yellow light D. forward and after masthead lights

B. sidelights and a sternlight

134. R04184 BOTH INTERNATIONAL & INLAND You are approaching another vessel at night. You can see both red and green sidelights and, above the level of the sidelights, three white lights in a vertical line. The vessel may be A. not under command B. towing a tow more than 200 meters astern C. trawling D. underway and dredging

B. towing a tow more than 200 meters astern

7) BOTH INTERNATIONAL AND INLAND. A power-driven vessel towing another vessel astern (tow less than 200 meters) shall show __________. A. three masthead lights in a vertical line instead of either the forward or after masthead light B. two masthead lights in a vertical line instead of either the forward or after masthead lights C. two towing lights in a vertical line at the stern D. a small white light aft of the funnel

B. two masthead lights in a vertical line instead of either the forward or after masthead lights

3) BOTH INTERNATIONAL AND INLAND. A white masthead light shows through an arc of how many degrees? A. 90° B. 112.5° C. 225° D. 360°

C. 225° Reference Rule 21(a) "Masthead light" means a white light placed over the fore and aft centerline of the vessel, showing an unbroken light over an arc of the horizon of 225 degrees and so fixed as to show the light from right ahead to 22.5 degrees abaft the beam on either side of the vessel.

4) BOTH INTERNATIONAL AND INLAND. The stern light shall be positioned such that it will show from dead astern to how many degrees on each side of the stern of the vessel? A. 135.0° B. 112.5° C. 67.5° D. 22.5°

C. 67.5° Reference Rule 21(c): "Sternlight" means a white light placed as nearly as practicable at the stern, showing an unbroken light over an arc of the horizon of 135 degrees and so fixed as to show the light 67.5 degrees from right aft on each side of the vessel.

124. R04296 BOTH INTERNATIONAL & INLAND Which power-driven vessel is NOT required to carry a light in the position of the after masthead light? A. A pushing vessel and a vessel being pushed, in a composite unit and 100 meters in length B. A vessel of 60 meters in length towing astern C. A vessel of 45 meters in length trolling D. Any vessel constrained by her draft

C. A vessel of 45 meters in length trolling (A. Composite shows same lights as power-driven D. ANY is wrong bc if cbd is 50m or + then needs fwd and aft masthead)

44. R04403 BOTH INTERNATIONAL & INLAND What dayshape must be shown by a vessel over 20 meters fishing which has gear extending more than 150 meters horizontally outward from it? A. One black ball B. One diamond shape C. One cone with its apex upwards D. One basket

C. One cone with its apex upwards

193. R00018 Part C INLAND ONLY Which lights are required for a barge, not part of a composite unit, being pushed ahead? A. Sidelights and a sternlight B. Sidelights, a special flashing light, and a sternlight C. Sidelights and a special flashing light D. Sidelights, a towing light, and a sternlight

C. Sidelights and a special flashing light

194. R00119 INLAND ONLY What MAY be used to indicate the presence of a partly submerged object being towed? A. A black cone, apex upward B. Two all-round yellow lights at each end of the tow C. The beam of a search light from the towing vessel shown in the direction of the tow D. All of the above

C. The beam of a search light from the towing vessel shown in the direction of the tow

2. R04317 BOTH INTERNATIONAL & INLAND What signal would a vessel aground show during daylight? A. One black ball B. Two black balls C. Three black balls D. Four black balls

C. Three black balls COLREGS 30(d)(2)

11) BOTH INTERNATIONAL AND INLAND. A vessel engaged in trawling will show identification lights of __________. A. a red light over a white light B. a white light over a red light C. a green light over a white light D. two red lights in a vertical line

C. a green light over a white light

62. R04680 BOTH INTERNATIONAL & INLAND Dayshapes must be displayed . A. between sunset and sunrise B. only between 8 AM and 4 PM C. during daylight hours in any visibility D. during daylight hours in unrestricted visibility only

C. during daylight hours in any visibility

118. R04087 BOTH INTERNATIONAL & INLAND A "flashing light", by the definition given in the rules, is a light that A. is red in color B. is visible over an arc of the horizon of 360° C. flashes at regular intervals at a frequency of 120 flashes or more per minute D. All of the above

C. flashes at regular intervals at a frequency of 120 flashes or more per minute

179. R00080 INLAND ONLY While underway at night, you see two yellow lights displayed in a vertical line. This should indicate to you a(n) . A. opening in a pipeline B. vessel broken down C. vessel pushing ahead D. vessel fishing

C. vessel pushing ahead

13) BOTH INTERNATIONAL AND INLAND. A vessel, which is unable to maneuver due to some exceptional circumstance, shall exhibit __________. A. during the day, three balls in a vertical line B. during the day, three shapes, the highest and lowest being balls and the middle being a diamond C. when making way at night, two all-round red lights, sidelights, and a stern light D. when making way at night, masthead lights, sidelights, and a stern light

C. when making way at night, two all-round red lights, sidelights, and a stern light

6) BOTH INTERNATIONAL AND INLAND. Which vessel would exhibit sidelights when underway and not making way? A. A vessel engaged in fishing B. A vessel not under command C. A vessel engaged in dredging D. A power-driven vessel

D. A power-driven vessel

17) BOTH INTERNATIONAL AND INLAND. A pilot vessel on pilotage duty shall show identity lights __________. A. at any time while underway B. while at anchor C. while alongside a vessel D. All of the above

D. All of the above

190. R04003 Part C BOTH INTERNATIONAL & INLAND What is used to show the presence of a partly submerged object being towed? A. A diamond shape on the towed object B. An all-round light at each end of the towed object C. A searchlight from the towing vessel in the direction of the tow D. All of the above

D. All of the above

197. R00068 INLAND ONLY Which is CORRECT regarding a "special flashing light"? A. It must be yellow in color. B. It must be placed as far forward as possible. C. It must not show through an arc of more than 225°. D. All of the above

D. All of the above

15) BOTH INTERNATIONAL AND INLAND. Which statement is TRUE concerning a towing vessel which, due to the nature of her work, is unable to keep out of the way of another vessel? A. By day, she shall carry a black cylinder shape. B. By day, she shall carry two black balls in a vertical line. C. By night, she would show the same lights as a vessel not under command. D. By day, she would show the same shapes as a vessel restricted in her ability to maneuver.

D. By day, she would show the same shapes as a vessel restricted in her ability to maneuver.

182. R04137 BOTH INTERNATIONAL & INLAND Which statement is TRUE concerning lights and shapes for towing vessels? A. If a tow exceeds 200 meters in length, the towing vessel will display a black ball during daylight. B. When towing astern, a vessel will carry her identification lights at the masthead in addition to her regular masthead light. C. When towing astern, the towing vessel may show either a sternlight or a towing light, but not both. D. If the towing vessel is over 50 meters in length, she must carry forward and after masthead lights.

D. If the towing vessel is over 50 meters in length, she must carry forward and after masthead lights. COLREGS 24(d)

1) BOTH INTERNATIONAL AND INLAND. Which vessel may exhibit identifying lights when not actually engaged in her occupation? A. A trawler B. A fishing vessel C. A tug D. None of the above

D. None of the above

208. R04390 BOTH INTERNATIONAL & INLAND What lights must sailboats show when underway at night? A. One all-round white light B. A sternlight C. Red and green sidelights D. Red and green sidelights and a sternlight

D. Red and green sidelights and a sternlight

203. R04631 BOTH INTERNATIONAL & INLAND Two barges are being pushed ahead by a tugboat. Which statement is TRUE concerning lights on the barges? A. Each vessel should show sidelights. B. Each vessel should show at least one white light. C. The barges should be lighted as separate units. D. The barges should be lighted as one vessel.

D. The barges should be lighted as one vessel. COLREGS 24(f)

7. R04650 BOTH INTERNATIONAL & INLAND Which lights would be shown at night by a vessel which is restricted in her ability to deviate from her course? A. Three red lights in a vertical line B. Three white lights in a vertical line C. Three lights in a vertical line, the highest and lowest white and the middle red D. Three lights in a vertical line, the highest and lowest red and the middle white

D. Three lights in a vertical line, the highest and lowest red and the middle white

16) BOTH INTERNATIONAL AND INLAND. By day, when it is impracticable for a small vessel engaged in diving operations to display the shapes for a vessel engaged in underwater operations, she shall display __________. A. three black balls in a vertical line B. two red balls in a vertical line C. a black cylinder D. a rigid replica of the International Code flag "A"

D. a rigid replica of the International Code flag "A"

9. R08010 INTERNATIONAL ONLY A vessel displaying three red lights in a vertical line is . A. not under command B. aground C. dredging D. constrained by her draft

D. constrained by her draft COLREGS 28

20) BOTH INTERNATIONAL AND INLAND. An anchor ball need NOT be exhibited by an anchored vessel if she is __________. A. under 50 meters in length, and anchored in an anchorage B. over 150 meters in length C. rigged for sail D. less than 7 meters in length, and not in or near an area where other vessels normally navigate

D. less than 7 meters in length, and not in or near an area where other vessels normally navigate

54. R04416 BOTH INTERNATIONAL & INLAND Navigation lights must be displayed in all weathers from sunset to sunrise. They also . A. must be displayed when day signals are being used B. must be displayed when moored to a pier C. may be extinguished at night on open waters when no other vessels are in the area D. may be displayed during daylight

D. may be displayed during daylight Reference Rule 20: The lights prescribed by these Rules shall, if carried, also be exhibited from sunrise to sunset in restricted visibility and may be exhibited in all other circumstances when it is deemed necessary.-MAY being the operative word

53. R04138 BOTH INTERNATIONAL & INLAND A vessel may use any sound or light signals to attract the attention of another vessel as long as . A. white lights are not used B. red and green lights are not used C. the vessel signals such intentions over the radiotelephone D. the signal cannot be mistaken for a signal authorized by the Rules

D. the signal cannot be mistaken for a signal authorized by the Rules

155. R04420 BOTH INTERNATIONAL & INLAND A vessel transferring provisions or cargo at sea shall display during the day A. two black balls in a vertical line B. three black balls in a vertical line C. three shapes in a vertical line; the highest and lowest shall be red balls and the middle a white diamond D. three black shapes in a vertical line; the highest and lowest shall be balls and the middle one a diamond

D. three black shapes in a vertical line; the highest and lowest shall be balls and the middle one a diamond

49. R04345 BOTH INTERNATIONAL & INLAND A vessel showing a green light over a white light in a vertical line above the level of the sidelights is . A. engaged in underwater construction B. under sail and power C. a pilot vessel D. trawling

D. trawling

17. BOTH INTERNATIONAL & INLAND Which statement is TRUE concerning a vessel under oars? a. She is allowed to show the same lights as a sailing vessel b. She must show a sternlight c. She must show a fixed all-round white light d. She must show a dayshape of a black cone

a. She is allowed to show the same lights as a sailing vessel Reference: Rule 25(d)(ii) Comment on this Distractor: You must know which lights a small sailboat would display and then determine whether a small rowboat is allowed to display the same lights.

20. BOTH INTERNATIONAL & INLAND A vessel being towed at night is required to display ____________________. a. Sidelights and a sternlight b. Forward and after masthead lights c. A white all-round light d. A flashing yellow light

a. Sidelights and a sternlight Reference: Rule 24(e)(i)(ii)

11. INLAND ONLY What MAY be used to indicate the presence of a partly submerged object being towed? a. The beam of a search light from the towing vessel shown in the direction of the tow. b. Two all-round yellow lights at each end of the tow. c. Two all-round red lights at each end of the tow. d. A black cone, apex upward.

a. The beam of a search light from the towing vessel shown in the direction of the tow. Reference: Inland Rule 24(g)

30. BOTH INTERNATIONAL & INLAND A power-driven vessel with a 150-meter stern tow shall display __________. a. a towing light above the sternlight b. three masthead lights in a vertical line c. two towing lights in a vertical line d. a red light over a white light at the masthead

a. a towing light above the sternlight

11. BOTH INTERNATIONAL & INLAND The lights prescribed by the Rules shall be exhibited ________________________. a. from sunrise to sunset in restricted visibility b. from sunset to sunrise, and at no other time c. at all times d. whenever a look-out is posted

a. from sunrise to sunset in restricted visibility Reference: Rule 20(c)

13. BOTH INTERNATIONAL & INLAND Which vessel may combine her sidelights and sternlight in one lantern on the fore and aft centerline of the vessel? a. A 25-meter power-driven vessel b. A 16-meter sailing vessel c. A 28-meter sailing vessel d. Any non-self-propelled vessel

b. A 16-meter sailing vessel Reference: Rule 25(b) Comment on this Distractor: A sailboat under sail alone does not display a masthead light. The reason for this is that the sail would at times obscure the masthead light causing an intermittent white light which would not be acceptable for safety reasons.

15. BOTH INTERNATIONAL & INLAND An inconspicuous, partly submerged vessel or object is being towed, where the length of the tow is 100 meters, shall show... a. Two red lights in a vertical line b. A diamond shape c. A black ball d. Yellow lights at each end

b. A diamond shape Reference: Rule 24(g)(iv)Comment on this Distractor: The fact that the length of the tow is 100 meters is not significant. A diamond shape is required near the aftermost extremity of any length tow of this nature. In international waters an additional shape is required to be placed as far forward as is practicable when the length of the tow exceeds 200 meters.

4. Both International & Inland When is a diamond shape exhibited? a. From 1/2 hour before sunrise until 1/2 hour after sunset. b. By day in all weathers. c. In compliance with Annex I. d. From sunset to sunrise.

b. By day in all weathers. Reference: Rule 20(a)(d) Rules concerning day shapes shall be complied with by day in all weathers

45. BOTH INTERNATIONAL & INLAND Which lights would be required to be shown at night by a vessel which is restricted in her ability to deviate from her course? a. Three lights in a vertical line, the highest and lowest white and the middle red. b. Three lights in a vertical line, the highest and lowest red and the middle white. c. Three white lights in a vertical line. d. Three red lights in a vertical line.

b. Three lights in a vertical line, the highest and lowest red and the middle white.

5. BOTH INTERNATIONAL & INLAND A vessel towing is showing three forward white masthead lights in a vertical line. This means that the length of the... a. Tow is less than 200 meters b. Tow is greater than 200 meters c. Towing vessel is greater than 50 meters d. Towing vessel is less than 50 meters

b. Tow is greater than 200 meters Reference: Rule 24(a)(i)

8. BOTH INTERNATIONAL & INLAND A towing vessel pushing a barge ahead and rigidly connected in a composite unit shall show the lights of... a. A barge on a hip-tow b. A vessel towing by pushing ahead c. A power-driven vessel, not towing d. A barge being pushed ahead

c A power-driven vessel, not towing Reference: Rule 24(b) Comment on this Distractor: A composite unit is not defined in the Rules of the Road. However, a composite unit means a pushing vessel that is rigidly connected by mechanical means to a vessel being pushed so they react to the sea and swell as one vessel. Mechanical means does not include lines, hawsers, wires, or chains.

15. INLAND ONLY A barge more than 50 meters in length would be required to show how many white anchor lights when anchored in a Secretary of Transportation approved "special anchorage area"? a. 4 b. 3 c. 2 d. 1

c. 2 Reference: Inland Rule 30(a)

16. BOTH INTERNATIONAL & INLAND What is the minimum length of an anchored vessel which is required to show a white light both forward and aft? a. 200 meters b. 100 meters c. 50 meters d. 150 meters

c. 50 meters

12. BOTH INTERNATIONAL & INLAND According to the Rules, which vessel MUST show two masthead lights in a vertical line? a. A vessel not under command b. A vessel engaged in dredging c. A power-driven vessel less than 50 meters in length with a 20-meter tow d. A sailing vessel towing a small vessel astern

c. A power-driven vessel less than 50 meters in length with a 20-meter tow Reference: Rule 24(a)(i)

9. BOTH INTERNATIONAL & INLAND What is used to show the presence of a partly submerged object being towed? a. A triangle shape on the towed object b. Green lights at each end of the towed object c. A searchlight from the towing vessel in the direction of the tow d. Flashing red lights at each side the object

c. A searchlight from the towing vessel in the direction of the tow Reference: Rule 24(g)(i)(iv)(h) A searchlight from the towing vessel in the direction of the tow is recognized as a means to warn approaching vessels of the danger that may exist.

19. BOTH INTERNATIONAL & INLAND A power-driven vessel towing astern shall show... a. Two towing lights in a vertical line b. A small white light in lieu of the sternlight c. A towing light in a vertical line above the sternlight d. Two towing lights in addition to the sternlight

c. A towing light in a vertical line above the sternlight Reference: Rule 24(a)(iii)(iv)

2. BOTH INTERNATIONAL & INLAND Which vessel would display a cone, apex downward? a. A fishing vessel with outlying gear b. A vessel being towed c. A vessel proceeding under sail and machinery d. A vessel engaged in diving operations

c. A vessel proceeding under sail and machinery Reference: Rule 25(e)

14. BOTH INTERNATIONAL & INLAND A vessel transferring provisions or cargo at sea shall display during the day... a. Three shapes in a vertical line the; highest and lowest shall be red balls and the middle a white diamond. b. Three black balls in a vertical line. c. Three black shapes in a vertical line; the highest and lowest shall be balls and the middle one a diamond. d. Two black balls in a vertical line.

c. Three black shapes in a vertical line; the highest and lowest shall be balls and the middle one a diamond. Reference: Rule 27(b)(ii)

28. BOTH INTERNATIONAL & INLAND A vessel may exhibit lights other than those prescribed by the Rules as long as the additional lights __________. a. have a greater range than the prescribed lights b. are not the color of either sidelight c. do not interfere with the keeping of a proper look-out d. have a lesser range than the prescribed lights

c. do not interfere with the keeping of a proper look-out

4. INLAND ONLY A vessel of less than 20 meters in length at anchor at night in a "special anchorage area designated by the Secretary"________________________. a. must show one white light b. need show a light only on the approach of another vessel c. need not show any lights d. must show two white lights

c. need not show any lights Reference: Inland Rule 30(g)

10. BOTH INTERNATIONAL & INLAND Which vessel must exhibit forward and after masthead lights when underway? a. All of the above b. A 200-meter sailing vessel c. A 100-meter vessel engaged in fishing d. A 50-meter power-driven vessel

d. A 50-meter power-driven vessel Reference: Rule 23(a) Sailing and fishing never exhibit masthead Trawling (50m+) is required to display masthead light aft (other fishing vessels do not)

3. BOTH INTERNATIONAL & INLAND A 22-meter sailing vessel when also being propelled by machinery shall show during daylight hours a... a. Basket b. Black diamond c. Black ball d. A conical shape, apex downwards

d. A conical shape, apex downwards Reference: Rule 25(e) Comments on this Distractor: The shape, if displayed, should be exhibited in the forepart of the vessel where it can be best be seen. In "inland" waters a vessel less than 12 meters is not required to exhibit this shape but may elect to do so.

1. BOTH INTERNATIONAL & INLAND During the day, a vessel with a tow over 200 meters in length will show... a. Two cones, apexes together b. A black ball c. One cone, apex upward d. A diamond shape

d. A diamond shape Reference: Rule 24(a)(v)

6. BOTH INTERNATIONAL & INLAND A vessel at anchor will show a... a. Double cone, apexes together b. Cone c. Cylinder d. An all-round white light or one ball

d. An all-round white light or one ball Reference: Rule 30(a)(i)

7. INTERNATIONAL ONLY At night, a power-driven vessel underway of less than 7 meters in length where its maximum speed does not exceed 7 knots may show, as a minimum _________________. a. Sidelights only b. Sidelights and a sternlight c. The lights required for a vessel more than 7 meters in length d. One all-round white light

d. One all-round white light Reference: Reference: Rule 23(d)(ii)Comment on this Distractor: The rule also states that "...if practicable...," the vessel shall also exhibit sidelights. However, if existing conditions do not make it practicable, such a vessel may operate with only one all-round white light.

16. BOTH INTERNATIONAL & INLAND A power-driven when underway exhibits the same lights as a ______________. a. Vessel towing astern b. Vessel towing, when not underway c. Sailing vessel d. Pushing vessel and a vessel being pushed, when they are in a composite unit

d. Pushing vessel and a vessel being pushed, when they are in a composite unit Reference: Rule 24(b) Comment on this Distractor: In this question, you are required to know which lights a "power driven vessel" must display. Then you must compare these lights to each of the four choices and choose the best match. Most power driven vessels are lighted as is defined in Rule 23(a)

19. INLAND ONLY If your tug is pushing a barge ahead at night and it is not a composite unit, which light(s) should show aft on your vessel? a. Two red lights. b. A white sternlight. c. A towing light over the sternlight. d. Two towing lights.

d. Two towing lights. Reference: Inland Rule 24(c)(iii)

24. BOTH INTERNATIONAL & INLAND A vessel showing a green light over a white light in a vertical line above the level of the sidelights is __________. a. under sail and power b. a pilot vessel c. engaged in underwater construction d. trawling

d. trawling